A long-lasting rainfall event will keep bringing moderate to heavy precipitation to northern and central California, with a risk of flooding. The Sierras, southern Cascades, and northern Rockies also see heavy mountain snow throughout the week. On top of that, high winds could cause issues across northern Nevada and the central Rockies. Cold air will be felt in Canada and across the Northern U.S. with heavy snowfall areas. Meanwhile, dozens of record-high temperatures are expected across the south. Here are the headlines this week.